Home / 2,454.68-3,389.98-2,103.32

Finding the Fourth Proportional to 2,454.68, 3,389.98 and 2,103.32

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Solution

The fourth proportional to 2,454.68, 3,389.98 and 2,103.32 is: 2,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.68 : 3,389.98 = 2,103.32 : x
  2. Step 2: Convert to fraction form
    2,454.68/3,389.98 = 2,103.32/x
  3. Step 3: Cross multiply
    2,454.68x = 3,389.98 × 2,103.32
  4. Step 4: Simplify right side
    2,454.68x = 7,130,212.73
  5. Step 5: Solve for x
    x = 7,130,212.73/2,454.68
  6. Step 6: Final answer
    x = 2,904.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.